"context"
	"crypto/rand"
	"io"
	"testing"

	"github.com/dustin/go-humanize"
)

type badDisk struct{ StorageAPI }

func (a badDisk) String() string {
	return "bad-disk"
}

func (a badDisk) AppendFile(ctx context.Context, volume string, path string, buf []byte) error {
	return errFaultyDisk
}

func (a badDisk) ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error) {

			for j := range disks[:test.offDisks] {
				if bitrotReaders[j] == nil {
					continue
				}
				switch r := bitrotReaders[j].(type) {
				case *wholeBitrotReader:
					r.disk = badDisk{nil}
				case *streamingBitrotReader:
					r.disk = badDisk{nil}
				}
			}
			if test.offDisks > 0 {
				bitrotReaders[0] = nil
			}
			writer.Reset()